<template>
  <el-dialog
    :title="!dataForm.id ? '新增角色信息' : '修改角色信息'"
    :close-on-click-modal="false"
    :modal-append-to-body="false"
    :lock-scroll="false"
    :visible.sync="visible"
  >
    <!-- <div class="mod-config"> -->
    <el-form
      :model="dataForm"
      :rules="dataRule"
      ref="dataForm"
      v-loading="loading"
      label-width="80px"
    >
      <el-form-item label="角色名称" prop="roleName">
        <el-input v-model="dataForm.roleName" placeholder="角色名称"></el-input>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
      </el-form-item>
      <el-form-item size="mini" label="授权">
        <div style="max-height:300px;overflow-y:auto;">
          <el-tree
            :data="menuList"
            :props="menuListTreeProps"
            node-key="menuId"
            ref="menuListTree"
            :default-expand-all="false"
            show-checkbox
          >
          </el-tree>
        </div>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button :disabled="loading" type="primary" @click="dataFormSubmit()"
        >确定</el-button
      >
    </span>
    <!--   </div> -->
  </el-dialog>
</template>

<script>
import { treeDataTranslate } from "@/utils";
import { getById , saveOrUpdate } from '@/api/sys/role'
import { getList } from '@/api/sys/menu'
export default {
  data() {
    return {
      visible: false,
      loading: false,
      menuList: [],
      menuListTreeProps: {
        label: "name",
        children: "children"
      },
      dataForm: {
        id: 0,
        roleName: "",
        remark: ""
      },
      dataRule: {
        roleName: [
          { required: true, message: "角色名称不能为空", trigger: "blur" }
        ]
      },
      tempKey: "-666666" // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
    };
  }, 
  methods: {
    init(id) {
      this.dataForm.id = id || 0;
      this.visible = true;
      
      getList().then(({ data }) => {
          this.menuList = treeDataTranslate(data.data, "menuId");
        })
        .then(() => {
          this.$nextTick(() => {
            this.$refs["dataForm"].resetFields();
            this.$refs.menuListTree.setCheckedKeys([]);
          });
        })
        .then(() => {
          if (this.dataForm.id) {
            
            getById(this.dataForm.id).then(({ data }) => {
              if (data && data.code === 0) {
                this.dataForm.roleName = data.data.roleName;
                this.dataForm.remark = data.data.remark;
                
                let menus = data.data.menuIdList;
                var idx = menus.indexOf(this.tempKey);
                if (idx !== -1) {
                  menus.splice(idx, menus.length - idx);
                }
                this.$refs.menuListTree.setCheckedKeys(menus);
              }
            });
          }
        });
    },
    // 表单提交
    dataFormSubmit() {
      this.$refs["dataForm"].validate(valid => {
        if (valid) {
          this.loading = true;
          
          saveOrUpdate({
              roleId: this.dataForm.id || undefined,
              roleName: this.dataForm.roleName,
              remark: this.dataForm.remark,
              menuIdList: [].concat(
                this.$refs.menuListTree.getCheckedKeys(),
                [this.tempKey],
                this.$refs.menuListTree.getHalfCheckedKeys()
              )
            }).then(({ data }) => {
              if (data && data.code === 0) {
                this.$message({
                  message: "操作成功",
                  type: "success"
                });

                this.visible = false;
                this.$emit("refreshDataList");
                //this.$router.push({ name: "sys_role" });
              } else {
                this.$message.error(data.msg);
              }
            })
            .finally(() => {
              this.loading = false;
            });
        }
      });
    }
  }
};
</script>
